MAGPUL MAG276 MBUS PRO REAR SIGHT BLK ID and are compatible with ambidextrous

and are compatible with ambidextrous safeties

Collapsible Buffer tube

Bound edges to avoid chafing or wear

breathable fabric contains billions of microscopic pores smaller than a

MAGPUL MAG276 MBUS PRO REAR SIGHT BLK ID and are compatible with ambidextrousThe MBUS Pro is a corrosion resistant all steel back up sighting solution that delivers maximum functionality and strength with minimum bulk at a price that's even smaller than its size. The dual aperture, windage adjustable Rear and no tool, elevation adjustable Front excel in all 1913 Picatinny rail mounting applications, including rail height gas blocks. Positive detents keep the MBUS PRO Front and Rear at standard AR sight height when deployed,